2 x PCIe 5.0 x16 slots 1 x PCIe 5.0 x16 slot (x8 mode) 1 x PCIe 4.0 x16 slot 1 x PCIe 4.0 x16 slot (x4 mode)

Asus PRO WS TRX50-SAGE WIFI, Workstation, AMD TRX50, sTR5, CEB, 4 DDR5 ECC, Wi-Fi 7, 10G & 2.5G LAN, SlimSAS, PCIe5, 3x M.2